2.7 sec in total
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2.4 sec
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Welcome to lesker.com homepage info - get ready to check Lesker best content for United States right away, or after learning these important things about lesker.com
The leading global provider of high-quality vacuum products and systems, along with an established tradition of service and attention to detail, the Kurt J. Lesker Company® (KJLC®) has built a reputat...
Visit lesker.comWe analyzed Lesker.com page load time and found that the first response time was 66 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
lesker.com performance score
name
value
score
weighting
Value4.3 s
18/100
10%
Value14.7 s
0/100
25%
Value6.9 s
34/100
10%
Value2,840 ms
3/100
30%
Value0
100/100
15%
Value22.9 s
1/100
10%
66 ms
63 ms
203 ms
55 ms
89 ms
Our browser made a total of 90 requests to load all elements on the main page. We found that 86% of them (77 requests) were addressed to the original Lesker.com, 8% (7 requests) were made to Google.com and 3% (3 requests) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Lesker.com.
Page size can be reduced by 150.0 kB (6%)
2.5 MB
2.4 MB
In fact, the total size of Lesker.com main page is 2.5 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.
Potential reduce by 44.9 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 44.9 kB or 77% of the original size.
Potential reduce by 2.5 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Lesker images are well optimized though.
Potential reduce by 43.7 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 43.7 kB or 33% of the original size.
Potential reduce by 58.8 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Lesker.com needs all CSS files to be minified and compressed as it can save up to 58.8 kB or 82% of the original size.
Number of requests can be reduced by 40 (48%)
84
44
The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lesker. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
lesker.com
66 ms
www.lesker.com
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index.cfm
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normalize-1.1.3.min.css
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kjlc.css
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regionselect.css
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modernizr-html5-checks.min.js
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iconcenters.css
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miniads.css
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bootstrap.min.css
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bootstrap_overrides.css
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typeahead.css
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divisionslides2014.css
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jquery-1.11.2.min.js
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hogan-2.0.0.min.js
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jquery-scrolltofixed-min.js
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jquery.slides.min.js
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jquery.vide.min.js
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bootstrap.min.js
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homepagescripts.js
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regionselect.js
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template_main.js
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cse.js
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ga.js
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async-ads.js
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clear.gif
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kjlclogo_sm.png
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list-item.png
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logo_isoflux.svg
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print.css
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lesker.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Form elements do not have associated labels
lesker.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
lesker.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lesker.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Lesker.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
lesker.com
Open Graph description is not detected on the main page of Lesker. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: